from a great blog by Larry Ferlazzo - check it out!
TED talks organised by subject, title and running time.

American History
Anna Deavere Smith
Four American characters
0:23:05
David Hoffman
Catch Sputnik mania!
0:03:50
Irwin Redlener
How to survive a nuclear attack
0:25:18
Doris Kearns Goodwin
Learning from past presidents in moments of crisis
0:18:48
Jennifer 8. Lee
Who was General Tso? and other mysteries of American Chinese food
0:16:38
Laurie Garrett
Laurie Garrett on lessons from the 1918 flu
0:21:05






World History


Jared Diamond
Why societies collapse
0:18:21
Siegfried Woldhek
The true face of Leonardo Da Vinci?
0:04:24
Samantha Power
Shaking hands with the devil
0:23:09






Geography


Hans Rosling
Debunking third-world myths with the best stats you’ve ever seen
0:19:50
Dr. Dean Ornish
The world now eats (and dies) like Americans
0:03:18
Wade Davis
Cultures at the far edge of the world
0:22:01
Louise Fresco
Louise Fresco on feeding the whole world
0:18:00
Nathan Wolfe
Hunting the next killer virus
0:12:20






Language Arts


Erin McKean
Redefining the dictionary
0:15:50
Lakshmi Pratury
The lost art of letter-writing
0:04:09
Brewster Kahle
A digital library, free to the world
0:20:06
C.K. Williams
Poetry for all seasons of life
0:23:17






Education


Sir Ken Robinson
Do schools kill creativity?
0:19:24
Richard Baraniuk
Goodbye, textbooks; hello, open-source learning
0:18:34
Alan Kay
A powerful idea about teaching ideas
0:20:37
Stuart Brown
Why play is vital — no matter your age
0:26:42
Mae Jemison
Mae Jemison on teaching arts and sciences together
0:14:48
Sugata Mitra
Can kids teach themselves?
0:20:59






Art


Paola Antonelli
Treating design as art
0:18:17
David Macaulay
All roads lead to Rome Antics
0:21:35
Margaret Wertheim
Margaret Wertheim on the beautiful math of coral
0:15:33
Ursus Wehrli
Tidying up art
0:15:57






Music


Sirena Huang
Dazzling set by 11-year-old violinist
0:24:41
Jennifer Lin
Magical improv from 14-year-old pianist
0:24:05
Caroline Lavelle
A cello performance that casts a spell
0:07:39
Pamelia Kurstin
Theremin, the untouchable music
0:19:11
Benjamin Zander
Classical music with shining eyes
0:20:43
James Burchfield
Sound stylings by a human beatbox
0:04:44
Jose Antonio Abreu
Help me bring music to kids worldwide (TED Prize winner!)
0:16:58
Eric Lewis
Striking chords to rock the jazz world
0:10:36
Natalie MacMaster
Playing the Cape Breton fiddle
0:18:47






Mathematics


Arthur Benjamin
Lightning calculation and other “Mathemagic”
0:15:14
Greg Lynn
How calculus is changing architecture
0:18:54
Steven Strogatz
How things in nature tend to sync up
0:21:58






Biology


Aubrey de Grey
Why we age and how we can avoid it
0:22:45
E.O. Wilson
TED Prize wish: Help build the Encyclopedia of Life
0:22:35
Craig Venter
A voyage of DNA, genes and the sea
0:16:51
James Watson
The double helix and today’s DNA mysteries
0:20:11
Robert Full
Secrets of movement, from geckos and roaches
0:19:24
Gregory Stock
How biotech will drive our evolution
0:17:51
Bonnie Bassler
Discovering bacteria’s amazing communication system
0:18:14
Peter Ward
Earth’s mass extinctions
0:19:41
Barry Schuler
An introduction to genomics
0:21:26
Kary Mullis
Celebrating the scientific experiment
0:29:32






Physics


Murray Gell-Mann
Beauty and truth in physics
0:16:02
Brian Cox
An inside tour of the world’s biggest supercollider
0:14:59
Patricia Burchat
The search for dark energy and dark matter
0:16:09
Brian Cox
Brian Cox: What went wrong at the LHC
0:03:29






Health/Physical Education

Ben Saunders
Three things to know before you ski to the North Pole
0:18:03
Mark Bittman
What’s wrong with what we eat
0:20:08
Ann Cooper
Reinventing the school lunch
0:19:42
John Wooden
Coaching for people, not points
0:17:36
Matthew Childs
Matthew Childs’ 9 life lessons from rock climbing
0:04:48
Dr. Dean Ornish
Healing and other natural wonders
0:16:49






Civics/Government


Ashraf Ghani
How to fix broken states
0:18:45
Sasa Vucinic
Why a free press is the best investment
0:18:00
Jonathan Haidt
The real difference between liberals and conservatives
0:18:42
Nate Silver
Nate Silver: Does race affect votes?
0:09:16
Lee Smolin
How science is like democracy
0:12:25






Psychology


Michael Shermer
Why people believe strange things
0:13:25
Vilayanur Ramachandran
A journey to the center of your mind
0:23:34
Keith Barry
Brain magic
0:19:49
Michael Merzenich
Michael Merzenich on re-wiring the brain
0:23:07
Elizabeth Gilbert
A different way to think about creative genius
0:19:28
Steven Pinker

0:22:42






Anthropology


Zeresenay Alemseged
Finding the origins of humanity
0:15:51
Louise Leakey
Digging for humanity’s origins
0:15:36
Spencer Wells
Building a family tree for all humanity
0:20:53
Murray Gell-Mann
Do all languages have a common ancestor?
0:02:15






Earth Science/Environment

Al Gore
15 ways to avert a climate crisis
0:16:17
Juan Enriquez
Why can’t we grow new energy?
0:18:10
Andy Hobsbawm
Do the green thing
0:03:22
Willie Smits
A 20-year tale of hope: How we re-grew a rainforest
0:20:42
Sylvia Earle
Here’s how to protect the blue heart of the planet (TED Prize winner!)
0:18:16
Bill Gross
Great ideas for finding new energy
0:19:55






Statistics


Peter Donnelly
How juries are fooled by statistics
0:21:20
Bruce Bueno de Mesquita
Three predictions on the future of Iran, and the math to back it up
0:19:05
Sean Gourley
Sean Gourley on the mathematics of war
0:07:19



Economics


Benjamin Wallace
Does happiness have a price tag?
0:14:40
Dan Ariely
Why we think it’s OK to cheat and steal (sometimes)
0:16:23
Mike Rowe
Celebrating work — all kinds of work
0:20:02
Barry Schwartz
The real crisis? We stopped being wise
0:20:45
David S. Rose
10 things to know before you pitch a VC for money
0:14:39






Family/Consumer Science

Peter Reinhart
The art of baking bread
0:15:34
Joseph Pine
What do consumers really want?
0:14:19






Technology/Computers in Education

Evan Williams
How Twitter’s spectacular growth is being driven by unexpected uses
0:08:00
Erik Hersman
Erik Hersman on reporting crisis via texting
0:03:56
Tim Berners-Lee
The next Web of open, linked data
0:16:23
Brenda Laurel
Why didn’t girls play videogames?
0:13:08
Juan Enriquez
Beyond the crisis, mindboggling science and the arrival of Homo evolutis
0:18:50
David Merrill
Siftables, the toy blocks that think
0:07:09
James Surowiecki
The moment when social media became the news
0:16:59






Astronomy


Penelope Boston
Life on Mars? Let’s look in the caves
0:18:29
Jill Tarter
Why the search for alien intelligence matters (TED Prize winner!)
0:21:23
George Smoot
The design of the universe
0:19:00
Charles Elachi
The story of the Mars Rovers
0:28:17
Peter Diamandis
Taking the next giant leap in space
0:15:31
Freeman Dyson
Let’s look for life in the outer solar system
0:19:11